/**
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */
(function($)
	{
	$.fn.jcarousel=function(o)
		{
		return this.each(function()
			{
			new r(this,o)
		}
		)
	};
	var q=
		{
		vertical:false,start:1,offset:1,size:null,scroll:2,visible:null,animation:'normal',easing:'swing',auto:0,wrap:null,initCallback:null,reloadCallback:null,itemLoadCallback:null,itemFirstInCallback:null,itemFirstOutCallback:null,itemLastInCallback:null,itemLastOutCallback:null,itemVisibleInCallback:null,itemVisibleOutCallback:null,buttonNextHTML:'<div></div>',buttonPrevHTML:'<div></div>',buttonNextEvent:'click',buttonPrevEvent:'click',buttonNextCallback:null,buttonPrevCallback:null
	};
	$.jcarousel=function(e,o)
		{
		this.options=$.extend(
			{
		}
		,q,o||
			{
		}
		);
		this.locked=false;
		this.container=null;
		this.clip=null;
		this.list=null;
		this.buttonNext=null;
		this.buttonPrev=null;
		this.wh=!this.options.vertical?'width':'height';
		this.lt=!this.options.vertical?'left':'top';
		var a='',split=e.className.split(' ');
		for(var i=0;
		i<split.length;
		i++)
			{
			if(split[i].indexOf('jcarousel-skin')!=-1)
				{
				$(e).removeClass(split[i]);
				var a=split[i];
				break
			}
		}
		if(e.nodeName=='UL'||e.nodeName=='OL')
			{
			this.list=$(e);
			this.container=this.list.parent();
			if(this.container.hasClass('jcarousel-clip'))
				{
				if(!this.container.parent().hasClass('jcarousel-container'))this.container=this.container.wrap('<div></div>');
				this.container=this.container.parent()
			}
			else if(!this.container.hasClass('jcarousel-container'))this.container=this.list.wrap('<div></div>').parent()
		}
		else
			{
			this.container=$(e);
			this.list=$(e).find('>ul,>ol,div>ul,div>ol')
		}
		if(a!=''&&this.container.parent()[0].className.indexOf('jcarousel-skin')==-1)this.container.wrap('<div class=" '+a+'"></div>');
		this.clip=this.list.parent();
		if(!this.clip.length||!this.clip.hasClass('jcarousel-clip'))this.clip=this.list.wrap('<div></div>').parent();
		this.buttonPrev=$('.jcarousel-prev',this.container);
		if(this.buttonPrev.size()==0&&this.options.buttonPrevHTML!=null)this.buttonPrev=this.clip.before(this.options.buttonPrevHTML).prev();
		this.buttonPrev.addClass(this.className('jcarousel-prev'));
		this.buttonNext=$('.jcarousel-next',this.container);
		if(this.buttonNext.size()==0&&this.options.buttonNextHTML!=null)this.buttonNext=this.clip.before(this.options.buttonNextHTML).prev();
		this.buttonNext.addClass(this.className('jcarousel-next'));
		this.clip.addClass(this.className('jcarousel-clip'));
		this.list.addClass(this.className('jcarousel-list'));
		this.container.addClass(this.className('jcarousel-container'));
		var b=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null;
		var c=this.list.children('li');
		var d=this;
		if(c.size()>0)
			{
			var f=0,i=this.options.offset;
			c.each(function()
				{
				d.format(this,i++);
				f+=d.dimension(this,b)
			}
			);
			this.list.css(this.wh,f+'px');
			if(!o||o.size===undefined)this.options.size=c.size()
		}
		this.container.css('display','block');
		this.buttonNext.css('display','block');
		this.buttonPrev.css('display','block');
		this.funcNext=function()
			{
			d.next()
		};
		this.funcPrev=function()
			{
			d.prev()
		};
		this.funcResize=function()
			{
			d.reload()
		};
		if(this.options.initCallback!=null)this.options.initCallback(this,'init');
		if($.browser.safari)
			{
			this.buttons(false,false);
			$(window).bind('load',function()
				{
				d.setup()
			}
			)
		}
		else this.setup()
	};
	var r=$.jcarousel;
	r.fn=r.prototype=
		{
		jcarousel:'0.2.3'
	};
	r.fn.extend=r.extend=$.extend;
	r.fn.extend(
		{
		setup:function()
			{
			this.first=null;
			this.last=null;
			this.prevFirst=null;
			this.prevLast=null;
			this.animating=false;
			this.timer=null;
			this.tail=null;
			this.inTail=false;
			if(this.locked)return;
			this.list.css(this.lt,this.pos(this.options.offset)+'px');
			var p=this.pos(this.options.start);
			this.prevFirst=this.prevLast=null;
			this.animate(p,false);
			$(window).unbind('resize',this.funcResize).bind('resize',this.funcResize)
		}
		,reset:function()
			{
			this.list.empty();
			this.list.css(this.lt,'0px');
			this.list.css(this.wh,'10px');
			if(this.options.initCallback!=null)this.options.initCallback(this,'reset');
			this.setup()
		}
		,reload:function()
			{
			if(this.tail!=null&&this.inTail)this.list.css(this.lt,r.intval(this.list.css(this.lt))+this.tail);
			this.tail=null;
			this.inTail=false;
			if(this.options.reloadCallback!=null)this.options.reloadCallback(this);
			if(this.options.visible!=null)
				{
				var a=this;
				var b=Math.ceil(this.clipping()/this.options.visible),wh=0,lt=0;
				$('li',this.list).each(function(i)
					{
					wh+=a.dimension(this,b);
					if(i+1<a.first)lt=wh
				}
				);
				this.list.css(this.wh,wh+'px');
				this.list.css(this.lt,-lt+'px')
			}
			this.scroll(this.first,false)
		}
		,lock:function()
			{
			this.locked=true;
			this.buttons()
		}
		,unlock:function()
			{
			this.locked=false;
			this.buttons()
		}
		,size:function(s)
			{
			if(s!=undefined)
				{
				this.options.size=s;
				if(!this.locked)this.buttons()
			}
			return this.options.size
		}
		,has:function(i,a)
			{
			if(a==undefined||!a)a=i;
			if(this.options.size!==null&&a>this.options.size)a=this.options.size;
			for(var j=i;
			j<=a;
			j++)
				{
				var e=this.get(j);
				if(!e.length||e.hasClass('jcarousel-item-placeholder'))return false
			}
			return true
		}
		,get:function(i)
			{
			return $('.jcarousel-item-'+i,this.list)
		}
		,add:function(i,s)
			{
			var e=this.get(i),old=0,add=0;
			if(e.length==0)
				{
				var c,e=this.create(i),j=r.intval(i);
				while(c=this.get(--j))
					{
					if(j<=0||c.length)
						{
						j<=0?this.list.prepend(e):c.after(e);
						break
					}
				}
			}
			else old=this.dimension(e);
			e.removeClass(this.className('jcarousel-item-placeholder'));
			typeof s=='string'?e.html(s):e.empty().append(s);
			var a=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null;
			var b=this.dimension(e,a)-old;
			if(i>0&&i<this.first)this.list.css(this.lt,r.intval(this.list.css(this.lt))-b+'px');
			this.list.css(this.wh,r.intval(this.list.css(this.wh))+b+'px');
			return e
		}
		,remove:function(i)
			{
			var e=this.get(i);
			if(!e.length||(i>=this.first&&i<=this.last))return;
			var d=this.dimension(e);
			if(i<this.first)this.list.css(this.lt,r.intval(this.list.css(this.lt))+d+'px');
			e.remove();
			this.list.css(this.wh,r.intval(this.list.css(this.wh))-d+'px')
		}
		,next:function()
			{
			this.stopAuto();
			if(this.tail!=null&&!this.inTail)this.scrollTail(false);
			else this.scroll(((this.options.wrap=='both'||this.options.wrap=='last')&&this.options.size!=null&&this.last==this.options.size)?1:this.first+this.options.scroll)
		}
		,prev:function()
			{
			this.stopAuto();
			if(this.tail!=null&&this.inTail)this.scrollTail(true);
			else this.scroll(((this.options.wrap=='both'||this.options.wrap=='first')&&this.options.size!=null&&this.first==1)?this.options.size:this.first-this.options.scroll)
		}
		,scrollTail:function(b)
			{
			if(this.locked||this.animating||!this.tail)return;
			var a=r.intval(this.list.css(this.lt));
			!b?a-=this.tail:a+=this.tail;
			this.inTail=!b;
			this.prevFirst=this.first;
			this.prevLast=this.last;
			this.animate(a)
		}
		,scroll:function(i,a)
			{
			if(this.locked||this.animating)return;
			this.animate(this.pos(i),a)
		}
		,pos:function(i)
			{
			if(this.locked||this.animating)return;
			if(this.options.wrap!='circular')i=i<1?1:(this.options.size&&i>this.options.size?this.options.size:i);
			var a=this.first>i;
			var b=r.intval(this.list.css(this.lt));
			var f=this.options.wrap!='circular'&&this.first<=1?1:this.first;
			var c=a?this.get(f):this.get(this.last);
			var j=a?f:f-1;
			var e=null,l=0,p=false,d=0;
			while(a?--j>=i:++j<i)
				{
				e=this.get(j);
				p=!e.length;
				if(e.length==0)
					{
					e=this.create(j).addClass(this.className('jcarousel-item-placeholder'));
					c[a?'before':'after'](e)
				}
				c=e;
				d=this.dimension(e);
				if(p)l+=d;
				if(this.first!=null&&(this.options.wrap=='circular'||(j>=1&&(this.options.size==null||j<=this.options.size))))b=a?b+d:b-d
			}
			var g=this.clipping();
			var h=[];
			var k=0,j=i,v=0;
			var c=this.get(i-1);
			while(++k)
				{
				e=this.get(j);
				p=!e.length;
				if(e.length==0)
					{
					e=this.create(j).addClass(this.className('jcarousel-item-placeholder'));
					c.length==0?this.list.prepend(e):c[a?'before':'after'](e)
				}
				c=e;
				var d=this.dimension(e);
				if(d==0)
					{
					alert('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');
					return 0
				}
				if(this.options.wrap!='circular'&&this.options.size!==null&&j>this.options.size)h.push(e);
				else if(p)l+=d;
				v+=d;
				if(v>=g)break;
				j++
			}
			for(var x=0;
			x<h.length;
			x++)h[x].remove();
			if(l>0)
				{
				this.list.css(this.wh,this.dimension(this.list)+l+'px');
				if(a)
					{
					b-=l;
					this.list.css(this.lt,r.intval(this.list.css(this.lt))-l+'px')
				}
			}
			var n=i+k-1;
			if(this.options.wrap!='circular'&&this.options.size&&n>this.options.size)n=this.options.size;
			if(j>n)
				{
				k=0,j=n,v=0;
				while(++k)
					{
					var e=this.get(j--);
					if(!e.length)break;
					v+=this.dimension(e);
					if(v>=g)break
				}
			}
			var o=n-k+1;
			if(this.options.wrap!='circular'&&o<1)o=1;
			if(this.inTail&&a)
				{
				b+=this.tail;
				this.inTail=false
			}
			this.tail=null;
			if(this.options.wrap!='circular'&&n==this.options.size&&(n-k+1)>=1)
				{
				var m=r.margin(this.get(n),!this.options.vertical?'marginRight':'marginBottom');
				if((v-m)>g)this.tail=v-g-m
			}
			while(i-->o)b+=this.dimension(this.get(i));
			this.prevFirst=this.first;
			this.prevLast=this.last;
			this.first=o;
			this.last=n;
			return b
		}
		,animate:function(p,a)
			{
			if(this.locked||this.animating)return;
			this.animating=true;
			var b=this;
			var c=function()
				{
				b.animating=false;
				if(p==0)b.list.css(b.lt,0);
				if(b.options.wrap=='both'||b.options.wrap=='last'||b.options.size==null||b.last<b.options.size)b.startAuto();
				b.buttons();
				b.notify('onAfterAnimation')
			};
			this.notify('onBeforeAnimation');
			if(!this.options.animation||a==false)
				{
				this.list.css(this.lt,p+'px');
				c()
			}
			else
				{
				var o=!this.options.vertical?
					{
					'left':p
				}
				:
					{
					'top':p
				};
				this.list.animate(o,this.options.animation,this.options.easing,c)
			}
		}
		,startAuto:function(s)
			{
			if(s!=undefined)this.options.auto=s;
			if(this.options.auto==0)return this.stopAuto();
			if(this.timer!=null)return;
			var a=this;
			this.timer=setTimeout(function()
				{
				a.next()
			}
			,this.options.auto*1000)
		}
		,stopAuto:function()
			{
			if(this.timer==null)return;
			clearTimeout(this.timer);
			this.timer=null
		}
		,buttons:function(n,p)
			{
			if(n==undefined||n==null)
				{
				var n=!this.locked&&this.options.size!==0&&((this.options.wrap&&this.options.wrap!='first')||this.options.size==null||this.last<this.options.size);
				if(!this.locked&&(!this.options.wrap||this.options.wrap=='first')&&this.options.size!=null&&this.last>=this.options.size)n=this.tail!=null&&!this.inTail
			}
			if(p==undefined||p==null)
				{
				var p=!this.locked&&this.options.size!==0&&((this.options.wrap&&this.options.wrap!='last')||this.first>1);
				if(!this.locked&&(!this.options.wrap||this.options.wrap=='last')&&this.options.size!=null&&this.first==1)p=this.tail!=null&&this.inTail
			}
			var a=this;
			this.buttonNext[n?'bind':'unbind'](this.options.buttonNextEvent,this.funcNext)[n?'removeClass':'addClass'](this.className('jcarousel-next-disabled')).attr('disabled',n?false:true);
			this.buttonPrev[p?'bind':'unbind'](this.options.buttonPrevEvent,this.funcPrev)[p?'removeClass':'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled',p?false:true);
			if(this.buttonNext.length>0&&(this.buttonNext[0].jcarouselstate==undefined||this.buttonNext[0].jcarouselstate!=n)&&this.options.buttonNextCallback!=null)
				{
				this.buttonNext.each(function()
					{
					a.options.buttonNextCallback(a,this,n)
				}
				);
				this.buttonNext[0].jcarouselstate=n
			}
			if(this.buttonPrev.length>0&&(this.buttonPrev[0].jcarouselstate==undefined||this.buttonPrev[0].jcarouselstate!=p)&&this.options.buttonPrevCallback!=null)
				{
				this.buttonPrev.each(function()
					{
					a.options.buttonPrevCallback(a,this,p)
				}
				);
				this.buttonPrev[0].jcarouselstate=p
			}
		}
		,notify:function(a)
			{
			var b=this.prevFirst==null?'init':(this.prevFirst<this.first?'next':'prev');
			this.callback('itemLoadCallback',a,b);
			if(this.prevFirst!==this.first)
				{
				this.callback('itemFirstInCallback',a,b,this.first);
				this.callback('itemFirstOutCallback',a,b,this.prevFirst)
			}
			if(this.prevLast!==this.last)
				{
				this.callback('itemLastInCallback',a,b,this.last);
				this.callback('itemLastOutCallback',a,b,this.prevLast)
			}
			this.callback('itemVisibleInCallback',a,b,this.first,this.last,this.prevFirst,this.prevLast);
			this.callback('itemVisibleOutCallback',a,b,this.prevFirst,this.prevLast,this.first,this.last)
		}
		,callback:function(a,b,c,d,e,f,g)
			{
			if(this.options[a]==undefined||(typeof this.options[a]!='object'&&b!='onAfterAnimation'))return;
			var h=typeof this.options[a]=='object'?this.options[a][b]:this.options[a];
			if(!$.isFunction(h))return;
			var j=this;
			if(d===undefined)h(j,c,b);
			else if(e===undefined)this.get(d).each(function()
				{
				h(j,this,d,c,b)
			}
			);
			else
				{
				for(var i=d;
				i<=e;
				i++)if(i!==null&&!(i>=f&&i<=g))this.get(i).each(function()
					{
					h(j,this,i,c,b)
				}
				)
			}
		}
		,create:function(i)
			{
			return this.format('<li></li>',i)
		}
		,format:function(e,i)
			{
			var a=$(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-'+i));
			a.attr('jcarouselindex',i);
			return a
		}
		,className:function(c)
			{
			return c+' '+c+(!this.options.vertical?'-horizontal':'-vertical')
		}
		,dimension:function(e,d)
			{
			var a=e.jquery!=undefined?e[0]:e;
			var b=!this.options.vertical?a.offsetWidth+r.margin(a,'marginLeft')+r.margin(a,'marginRight'):a.offsetHeight+r.margin(a,'marginTop')+r.margin(a,'marginBottom');
			if(d==undefined||b==d)return b;
			var w=!this.options.vertical?d-r.margin(a,'marginLeft')-r.margin(a,'marginRight'):d-r.margin(a,'marginTop')-r.margin(a,'marginBottom');
			$(a).css(this.wh,w+'px');
			return this.dimension(a)
		}
		,clipping:function()
			{
			return!this.options.vertical?this.clip[0].offsetWidth-r.intval(this.clip.css('borderLeftWidth'))-r.intval(this.clip.css('borderRightWidth')):this.clip[0].offsetHeight-r.intval(this.clip.css('borderTopWidth'))-r.intval(this.clip.css('borderBottomWidth'))
		}
		,index:function(i,s)
			{
			if(s==undefined)s=this.options.size;
			return Math.round((((i-1)/s)-Math.floor((i-1)/s))*s)+1
		}
	}
	);
	r.extend(
		{
		defaults:function(d)
			{
			return $.extend(q,d||
				{
			}
			)
		}
		,margin:function(e,p)
			{
			if(!e)return 0;
			var a=e.jquery!=undefined?e[0]:e;
			if(p=='marginRight'&&$.browser.safari)
				{
				var b=
					{
					'display':'block','float':'none','width':'auto'
				}
				,oWidth,oWidth2;
				$.swap(a,b,function()
					{
					oWidth=a.offsetWidth
				}
				);
				b['marginRight']=0;
				$.swap(a,b,function()
					{
					oWidth2=a.offsetWidth
				}
				);
				return oWidth2-oWidth
			}
			return r.intval($.css(a,p))
		}
		,intval:function(v)
			{
			v=parseInt(v);
			return isNaN(v)?0:v
		}
	}
	)
}
)(jQuery);